CN208477014U - A kind of split-core type meter identifying system - Google Patents
A kind of split-core type meter identifying system Download PDFInfo
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- CN208477014U CN208477014U CN201820918666.9U CN201820918666U CN208477014U CN 208477014 U CN208477014 U CN 208477014U CN 201820918666 U CN201820918666 U CN 201820918666U CN 208477014 U CN208477014 U CN 208477014U
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Abstract
The utility model discloses a kind of split-core type meter identifying systems, by the way that divider resistance is arranged in split-core type meter, and voltage identification circuit is set in a device, processor and pull-up resistor, pass through the first connecting pin, second connection end, the connection of equipment and split-core type meter is realized in third connecting pin and the 4th connecting pin, voltage identification circuit detects to obtain the voltage of the first connecting pin and is sent into processor, processor realizes that split-core type meter identifies using the voltage that voltage identification circuit is identified, overcome and needs to be manually entered split-core type meter type in the prior art, it is easy the incorrect technical problem of current value for the equipment for selecting wrong or leakage choosing that measurement is caused to obtain because of split-core type meter, utilize the type of circuit identification split-core type meter, it is not only time saving and energy saving, and it can effectively improve production efficiency.
Description
Technical field
The utility model relates to split-core type meter field, especially a kind of split-core type meter identifying system.
Background technique
Split-core type meter is a kind of for measuring the instrument of the size of current for the electric wiring being currently running, can be the case where not powering off
Lower measurement electric current.Split-core type meter is substantially to have reaction force by a current transformer, pincerlike spanner and a rectifier type magnetoelectricity series
Instrument is formed.
Currently, equipment, after having connect split-core type meter, staff needs which kind of split-core type meter the setting in software is connected to, work as pincers
When table selection is wrong or forgets selection, the current value of the equipment measured is wrong；At this point, staff needs to carry out
It is very time-consuming and laborious where problem can just be found after investigation, cause production efficiency low.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of the utility model is to provide a kind of split-core type meter identifying systems, realize split-core type meter
Identification.
The technical scheme adopted by the utility model is a kind of split-core type meter identifying system, including equipment and split-core type meter, the equipment
Including voltage identification circuit, processor, pull-up resistor, the first connecting pin and second connection end, the voltage identification circuit it is defeated
Enter end, one end of pull-up resistor is connect with the first connecting pin, the voltage identification circuit is used to detect the electricity of the first connecting pin
Pressure；The output end of the voltage identification circuit and the input terminal of processor connect, and the other end and power supply of the pull-up resistor connect
It connects, the second connection end ground connection；The split-core type meter includes divider resistance, third connecting pin and the 4th connecting pin, the partial pressure electricity
One end of resistance is connect with third connecting pin, and the other end of the divider resistance is connect with the 4th connecting pin；The partial pressure of different split-core type meters
Resistance it is of different sizes；When the equipment is connect with split-core type meter, first connecting pin is connect with third connecting pin, and described second connects
End is connect to connect with the 4th connecting pin.
Further, the equipment further includes the cue circuit of the type of the split-core type meter for prompting the equipment to be connected,
The output end of the processor and the input terminal of cue circuit connect.
Further, the cue circuit includes voice warning circuit or LED cue circuit.
Further, the voltage identification circuit and processor are the single-chip microcontroller with voltage identification function.
Further, the equipment further includes first interface, and the split-core type meter further includes second interface；First connecting pin
It is arranged on first interface with second connection end, the third connecting pin and the 4th connecting pin are arranged in second interface, described
It can fast insert-pull between first interface and second interface.
The beneficial effects of the utility model are:
A kind of split-core type meter identifying system of the utility model, by the way that divider resistance is arranged in split-core type meter, and setting electricity in a device
Identification circuit, processor and pull-up resistor are pressed, the first connecting pin, second connection end, third connecting pin and the 4th connecting pin are passed through
Realize the connection of equipment and split-core type meter, voltage identification circuit detects to obtain the voltage of the first connecting pin and is sent into processor, processor
It realizes that split-core type meter identifies using the voltage that voltage identification circuit is identified, overcomes and need to be manually entered split-core type meter type in the prior art,
It is easy the incorrect technical problem of current value for the equipment for selecting wrong or leakage choosing that measurement is caused to obtain because of split-core type meter, is identified using circuit
The type of split-core type meter, it is not only time saving and energy saving, but also can effectively improve production efficiency.
The split-core type meter identifying system of the utility model can be widely applied to split-core type meter field, identify for split-core type meter.
Detailed description of the invention
Specific embodiment of the present utility model is described further with reference to the accompanying drawing:
Fig. 1 is an a kind of specific embodiment schematic diagram of split-core type meter identifying system of the utility model.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
A kind of split-core type meter identifying system is an a kind of specific implementation of split-core type meter identifying system of the utility model with reference to Fig. 1, Fig. 1
It illustrates and is intended to；Including equipment and split-core type meter, equipment include voltage identification circuit, processor, pull-up resistor R1, the first connecting pin A and
Second connection end B, in the present embodiment, voltage identification circuit and processor are the single-chip microcontroller U1A with voltage identification function, this reality
It applies in example, is realized using the single-chip microcontroller of model STM32F427.The input terminal of voltage identification circuit be (i.e. single-chip microcontroller U1A's
The port PA1), one end of pull-up resistor R1 connect with the first connecting pin A, voltage identification circuit is for detecting the first connecting pin A
Voltage；The output end of voltage identification circuit and the input terminal of processor connect, and the other end and power supply VCC of pull-up resistor R1 connects
It connects, second connection end B ground connection；Split-core type meter includes divider resistance R2, third connecting pin C and the 4th connecting pin D, and the one of divider resistance R2
End is connect with third connecting pin C, and the other end of divider resistance R2 is connect with the 4th connecting pin D；The divider resistance of different split-core type meters
It is of different sizes；When equipment is connect with split-core type meter, the first connecting pin A is connect with third connecting pin C, and second connection end B is connect with the 4th
D connection is held so that divider resistance R2 and pull-up resistor R1 composition bleeder circuit, divides power supply VCC.
In the specific course of work, the divider resistance R2 of different resistance values is accessed in split-core type meter, as the split-core type meter of 5A meets 1000 Ω
Divider resistance, the split-core type meter of 100A connects the divider resistance etc. of 2000 Ω.According to the available equipment of the divider resistance accessed with
When split-core type meter connects, the voltage swing of the first connecting pin；The voltage of different split-core type meter and the first connecting pin is stored in single-chip microcontroller
Corresponding relationship, then after split-core type meter is connect with equipment, by PA1 mouthfuls of voltage of monolithic machine testing, when equipment does not access split-core type meter, inspection
The voltage for measuring the first connecting pin is VCC；And after split-core type meter access device, divider resistance R2 is divided, according to detected
The difference of voltage of the first connecting pin may determine that accessed split-core type meter type.The technical program overcomes to be needed in the prior art
It is manually entered split-core type meter type, is easy the incorrect technology of current value for the equipment for selecting wrong or leakage choosing that measurement is caused to obtain because of split-core type meter
Problem, it is not only time saving and energy saving using the type of circuit automatic identification split-core type meter, but also can effectively improve production efficiency.
As the further improvement of technical solution, with reference to Fig. 1, equipment further includes first interface CN1, and split-core type meter further includes second
Interface CN2；First connecting pin A and second connection end B is arranged on first interface CN1, third connecting pin C and the 4th connecting pin D
Be arranged on second interface CN2, then between first interface CN1 and second interface CN2 can fast insert-pull, when equipment need using pincers
When table measures electric current, first interface CN1 and second interface CN2 grafting are realized to the connection of equipment and split-core type meter, to carry out split-core type meter
Type identification, it is very efficient and convenient.
As the further improvement of technical solution, equipment further includes mentioning for the type of the split-core type meter for prompting equipment to be connected
Show that circuit, the output end of processor and the input terminal of cue circuit connect.It is detected when processor according to voltage identification circuit
After voltage obtains split-core type meter type, staff can be made quickly to know the type of connected split-core type meter by cue circuit, saved worry
It is laborsaving.Specifically, cue circuit can be voice warning circuit or LED cue circuit, and voice warning circuit can be with voice broadcast
The type of split-core type meter, such as " 5A split-core type meter ", " 100A split-core type meter "；Also it can use LED cue circuit to realize, LED cue circuit packet
The LED light of multiple colors is included, such as red, blue, green, red can represent 5A split-core type meter, and blue represents 20A split-core type meter, green generation
Table 100A split-core type meter.When then equipment accesses different split-core type meters, the LED light of color corresponding with split-core type meter is lighted, and facilitates staff quick
Know the type of split-core type meter.
It is to be illustrated to the preferable implementation of the utility model, but the invention is not limited to the reality above
Example is applied, those skilled in the art can also make various equivalent variations without departing from the spirit of the present invention
Or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (5)
1. a kind of split-core type meter identifying system, which is characterized in that including equipment and split-core type meter, the equipment includes voltage identification circuit, place
Manage device, pull-up resistor, the first connecting pin and second connection end, one end of the input terminal of the voltage identification circuit, pull-up resistor
It is connect with the first connecting pin, the voltage identification circuit is used to detect the voltage of the first connecting pin；The voltage identification circuit
Output end and the input terminal of processor connect, the other end of the pull-up resistor connects to power supply, and the second connection end connects
Ground；
The split-core type meter includes divider resistance, third connecting pin and the 4th connecting pin, and one end of the divider resistance is connect with third
End connection, the other end of the divider resistance are connect with the 4th connecting pin；The divider resistance of different split-core type meters it is of different sizes；
When the equipment is connect with split-core type meter, first connecting pin is connect with third connecting pin, the second connection end and the 4th
Connecting pin connection.
2. a kind of split-core type meter identifying system according to claim 1, which is characterized in that the equipment further includes for prompting
The cue circuit of the type for the split-core type meter that equipment is connected is stated, the output end of the processor and the input terminal of cue circuit connect.
3. a kind of split-core type meter identifying system according to claim 2, which is characterized in that the cue circuit includes voice prompting
Circuit or LED cue circuit.
4. a kind of split-core type meter identifying system according to any one of claims 1 to 3, which is characterized in that the voltage identification electricity
Road and processor are the single-chip microcontroller with voltage identification function.
5. a kind of split-core type meter identifying system according to any one of claims 1 to 3, which is characterized in that the equipment further includes
First interface, the split-core type meter further include second interface；First connecting pin and second connection end are arranged on first interface, institute
It states third connecting pin and the 4th connecting pin to be arranged in second interface, can quickly be inserted between the first interface and second interface
It pulls out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918666.9U CN208477014U (en) | 2018-06-13 | 2018-06-13 | A kind of split-core type meter identifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918666.9U CN208477014U (en) | 2018-06-13 | 2018-06-13 | A kind of split-core type meter identifying system |
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| Publication Number | Publication Date |
|---|---|
| CN208477014U true CN208477014U (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820918666.9U Active CN208477014U (en) | 2018-06-13 | 2018-06-13 | A kind of split-core type meter identifying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562789A (en) * | 2018-06-13 | 2018-09-21 | 深圳市科陆精密仪器有限公司 | A kind of split-core type meter identifying system |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
-
2018
- 2018-06-13 CN CN201820918666.9U patent/CN208477014U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562789A (en) * | 2018-06-13 | 2018-09-21 | 深圳市科陆精密仪器有限公司 | A kind of split-core type meter identifying system |
| CN113933558A (en) * | 2021-10-13 | 2022-01-14 | 江苏斯菲尔电气股份有限公司 | Instrument capable of automatically identifying specification of current transformer and setting transformation ratio |
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